Online Daily Sudoku Challenge

Want to compete with other Sudoku players in the world? Now you have that opportunity through our online daily Sudoku challenge. Every day one new Sudoku puzzle will appear on our website for 24 hours. During this period the top 10 best times will be recorded and listed on our website. See how well other players can do. Maybe you are actually one of the best players in the world!

Smart Solver

Our new smart solver not only gives the solution for a puzzle, but also explains every step with demonstrations in the grid. You may learn Sudoku solving techniques through examples with numerous puzzles from our database. Try Smart Solver now.

Quick Start

First select a digit on the right side bar. Then click on the cells where you want to place the selected digit. You may enter more than one digit in a cell as a note by activating the pencil mark option near the upper left corner of the grid.

Sudoku Challenge for 2013-05-13

Difficulty: ★★★☆☆

Best Time: 03:49

Play and see if you can beat the best time of this puzzle. This archived challenge is no longer open for competition and therefore no time submission will be accepted at this time. However you can still play it for fun and compare your time with the Top 10 Best Times below.